Finding the Fourth Proportional to 372.12, 556.02 and 365.28
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Solution
The fourth proportional to 372.12, 556.02 and 365.28 is: 545.80
Step by Step Solution
- Step 1: Write the proportion equation
372.12 : 556.02 = 365.28 : x - Step 2: Convert to fraction form
372.12/556.02 = 365.28/x - Step 3: Cross multiply
372.12x = 556.02 × 365.28 - Step 4: Simplify right side
372.12x = 203,102.99 - Step 5: Solve for x
x = 203,102.99/372.12 - Step 6: Final answer
x = 545.80
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.